CN108801591A - Wave current experimental tank intelligent adaptive guiding device and its method of river diversion - Google Patents
Wave current experimental tank intelligent adaptive guiding device and its method of river diversion Download PDFInfo
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- CN108801591A CN108801591A CN201810975238.4A CN201810975238A CN108801591A CN 108801591 A CN108801591 A CN 108801591A CN 201810975238 A CN201810975238 A CN 201810975238A CN 108801591 A CN108801591 A CN 108801591A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000004364 calculation method Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
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- 238000013461 design Methods 0.000 description 3
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- 238000009835 boiling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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Abstract
The invention discloses a kind of wave current experimental tank intelligent adaptive guiding device and its method of river diversion, including computer, pond, make stream wave making system, the circulatory system, intelligent flow guide system, flow velocity monitoring system；It is described to make the wave of making that stream wave making system includes and make stream device and wave attenuating device；The circulatory system includes circulation line and water pump；The intelligence flow guide system includes the stepper motor for adjusting the deflector in the direction that becomes a mandarin in real time for intelligence and being connected with deflector, and the deflector is arranged at the nozzle that becomes a mandarin of circulation line, and the stepper motor is connected to computer；The flow velocity monitoring system includes the flow monitoring sensor for being monitored in real time to VELOCITY DISTRIBUTION and mobility status, and the flow monitoring sensor is connected to computer.The present invention can accurately simulate the operating mode under a variety of different water depths and flow velocity combination condition, and can reach the optimal effect of uniformity, obtain maximum uniform flow range, technical support is provided for hydrodynamic calculations.
Description
Technical field
The present invention relates to fluid mechanic model experiment, more particularly to wave current experimental tank intelligent adaptive guiding device and its
Method of river diversion.
Background technology
Wave current pond simulation system is to simulate one of the effective ways of wave and flow complicated and changeable in nature.Wave
With flow as the primary load in harbour coastal engineering, ocean engineering, planning, design in harbour, seashore and ocean engineering
With the effect for being required for understanding wave and flow in construction.It is currently understood that the common method of wave current load have field observation,
3 kinds of physical experiments and numerical simulation.But up to the present, some practical problems cannot merely by mathematical method come
It solves, and field observation is difficult to realize, so being become as a kind of effectively reliable method by the simulation of wave current pond.
In order to form the flow of stable and uniform, wave current pond can typically each use water pump that flow is pushed to be circulated,
But this kind of method is used, flow often has larger flow velocity when immersing pond, needs to flow flow forward larger distance
It can reach stable, will be that pond occupies larger space in this way.Common method is to enter head piece installation grid, keeping flow equal
It homogenizes, but makes wave since this instrument has both and make two kinds of functions of stream, and two kinds of functions are not interfere with each other, so can not be directly using having
The vertical layered grid that becomes a mandarin.In order to ensure the uniform and stable of inflow section flow, and reduce wave current pond the space occupied to the greatest extent,
This pond carries out structure adjusting using a variety of methods to becoming a mandarin, and accelerates the stabilization of flow.
Flow velocity is often larger when flow enters pond, easily occurs low-pressure area between streamline and pool bottom, leads to flow turbulence
Strongly.In order to avoid the appearance of low-pressure area as possible, the boundary in design between pond and inflow pipe is handled, and is allowed to more
For the direction of gentle fitting flow.
In practical applications, wave current pond can face a variety of situations, this just requires pond to can reach under various conditions
Stable and uniform goes out to flow effect, and in the design process, if interface section is excessively gentle, high-velocity flow can be close to trench bottom
Shunting is dynamic, turbulent region occurs on pond top, as shown in Figure 1；If interface section is excessively anxious steep, water can be flowed to by telling to become a mandarin
Approximately level part is leaned in pond, turbulent region is will appear near basin bottom, as shown in Figure 2.Both of which is unfavorable for creating equal
The inflow condition of even stabilization generally requires precisely to simulate various working condition in practical operation, i.e., be not of the same race
The depth of water and flow velocity combination condition under reach stable and uniform go out stream, by go up discuss it is found that it is fixed become a mandarin boundary and consolidate
Fixed deflector cannot be satisfied actual demand.
Invention content
Ensure to become a mandarin when simulating wave current in current laboratory it is an object of the invention to overcome stability and uniformity
Difficulty provides a kind of water pool equipment and the method for river diversion of stable and uniform, small volume and the high simulation wave current of accuracy.The present invention
Device and method can accurately simulate the operating mode under a variety of different water depths and flow velocity combination condition, and can reach
The optimal effect of even property, obtains maximum uniform flow range, technical support is provided for hydrodynamic calculations.
The technical solution adopted in the present invention is：A kind of wave current experimental tank intelligent adaptive guiding device, including calculate
Stream wave making system, the circulatory system, intelligent flow guide system, flow velocity monitoring system are made in machine, pond；
The stream wave making system of making includes being separately positioned on the wave of making at the pond both ends to make stream device and wave attenuating device；
The circulatory system includes being connected to circulation line that the basin bottom is connected with the pond and setting exists
The water pump circulated in the circulation line, for pushing flow to be formed；
It is described intelligence flow guide system include for intelligence in real time adjust become a mandarin direction deflector and with the deflector phase
The stepper motor of connection, the deflector are arranged at the nozzle that becomes a mandarin of the circulation line, and the stepper motor is connected to institute
Computer is stated, the corner of deflector described in the real time computer control is passed through；
The flow velocity monitoring system includes that the flow monitoring for being monitored in real time to VELOCITY DISTRIBUTION and mobility status passes
Sensor, the flow monitoring sensor setting enter in the pond, positioned at the pond at head piece dirty 1/3, the flow velocity
Monitoring sensor is connected to the computer, passes data back the computer, and carries out analysis and right by the computer
The deflector is adjusted again.
Further, intelligent clamp resistance gauge is provided in the shaft of the deflector, the intelligence clamp resistance gauge is logical
The shaft for crossing gear and the deflector is interlocked, and to form resistance by rotating to the deflector and prevents the water conservancy diversion
Plate is washed aside by the flow in the circulation line.
Further, the deflector is provided with several, and the stepper motor is corresponded with the deflector.
Further, the angle between the axis and horizontal line of the inflow pipe of the circulation line is 15~45 °, to reduce
The turbulent fluctuation to become a mandarin.
Further, the flow monitoring sensor is provided with several, is arranged along depth of water direction.
Another technical solution of the present invention is：One kind is filled based on above-mentioned wave current experimental tank intelligent adaptive water conservancy diversion
The method of river diversion set, includes the following steps：
Step 1, the initial corner of deflector is set；
Step 2, the data that computer acquires flow monitoring sensor are analyzed, and judge whether flowing reaches uniform
The requirement of operating mode, if not up to, adjusting the rotation direction of deflector again；
Step 3, flow speed data is acquired again and is analyzed and determined；
Step 4, step 2 and step 3 are repeated until flow velocity is uniform and stable, until reaching expected and requiring.
The beneficial effects of the invention are as follows：
Use it is smooth enter stream interface, be reduced as far as the turbulent fluctuation to become a mandarin；Becoming a mandarin, nozzle is equipped with adjustable water conservancy diversion
Plate, to becoming a mandarin, flow direction carries out control accurate；Enter head piece in pond to flow down equipped with flow rate detection sensor, detects the steady of flow velocity in real time
It is fixed, and can be adjusted again by deflector according to the result of detection, until the situation that becomes a mandarin reaches the inflow condition of design；
By " adjusting-feedback-is adjusted again " system, can convection current field structure accurately adjusted, make flow velocity as soon as possible
Reach uniform and stable, accelerates the formation of uniform flow section.There is very strong adaptability for a variety of different operating modes, while entire
Wave current pond the space occupied can also greatly reduce；
In addition, the present invention also has ability of self-teaching, by being accumulated to each adjusting data, formed for not
Summarize and analyze with the historical data base of wave current situation, and to it, formed it is a large amount of adjust experience simulation, can be to backward
Simulation is provided and is quickly and accurately instructed.
Description of the drawings
Fig. 1：Become a mandarin the excessively gentle schematic diagram in boundary；
Fig. 2：The boundary that becomes a mandarin excessively is risen steeply schematic diagram；
Fig. 3：The schematic diagram in the adaptive wave current pond of the present invention；
Fig. 4：The specification specified figure of the deflector of the present invention.
Attached drawing marks：1, flow monitoring sensor；2, it makes wave and makes stream device；3, deflector；4, water pump；5, wave attenuating device；
6, circulation line；7, computer；8, water proof rubber stopper；9, intelligent clamp resistance gauge；10, anti-leakage electric boiling hood；11, stepping electricity
Machine；12, analog line driver；13, master control and display module.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
Boundary is become a mandarin due to fixed and fixed deflector cannot be satisfied actual demand, devises adjustable angle thus
The deflector of degree becomes a mandarin flow direction further to control pond, and deflector is connected with stepper motor 11, and water conservancy diversion is controlled by computer
The angle of plate rotation, to realize the adjustment to flow.
In addition to this, in order to verify and detect the accuracy made wave and make stream, the effect of water conservancy diversion can also become a mandarin via setting
Several flow detectors at place are fed back, and whether can have reached stabilization by testing result to judge to become a mandarin.Make the wave current water
The system that pond integrally becomes one " adjusting-feedback-is adjusted again ", to becoming a mandarin, flow carries out comprehensive regulation.
The present invention is allowed to more be bonded the streamlined for the fluid that becomes a mandarin by adjusting the smoothness in pond and the tube connection ports that become a mandarin
Shape, reduces the turbulent fluctuation that becomes a mandarin of flow to the greatest extent, while can be by being located at the adjustable deflector of inflow pipe nozzle to the flow direction that becomes a mandarin
It is adjusted, and enters the flow rate detection sensor progress flow speed stability detection in head piece downstream in pond by being arranged.Form one
The system of " adjusting-detection-is adjusted again ", keeps fluid inflow not only fast but also steadily reaches uniform and stable to be designed into flow structure.
As shown in attached drawing 3 and Fig. 4, a kind of wave current experimental tank intelligent adaptive guiding device, including computer 7, pond,
Make stream wave making system, the circulatory system, intelligent flow guide system, flow velocity monitoring system.
The stream wave making system of making includes being separately positioned on the wave of making at the pond both ends to make stream device 2 and wave attenuating device 5.
The circulatory system includes being connected to circulation line 6 that the basin bottom is connected with the pond and setting exists
The water pump 4 circulated in the circulation line 6, for pushing flow to be formed.The axis of the inflow pipe of the circulation line 6 with
Angle between horizontal line is 15~45 ° so that pond and the tube connection ports that become a mandarin have smoothness, to reduce the turbulent fluctuation to become a mandarin.
It is described intelligence flow guide system include for intelligence in real time adjust become a mandarin direction deflector 3 and with the deflector 3
The stepper motor 11 being connected, the deflector 3 are provided with several, and the stepper motor 11 is a pair of with the deflector 3 one
It answers.The deflector 3 is arranged at the nozzle that becomes a mandarin of the circulation line 6, and the stepper motor 11 is arranged in preventing water leakage motor
In cover 10.The stepper motor 11 is connected to the analog line driver 12 of the computer 7, the analog line driver 12 and master control and
Display module 13 is connected, and passes through the corner of deflector 3 described in 7 real-time control of the computer.Connect the stepper motor 11
The position for passing through the anti-leakage electric boiling hood 10 is provided with water proof rubber stopper 8 with the cable of the computer 7.The stepping electricity
Machine 11 uses water-proof type stepper motor.
In addition, being provided with intelligent clamp resistance gauge 9 in the shaft of the deflector 3, the intelligence clamp resistance gauge 9 passes through
The shaft of gear and the deflector 3 is interlocked, by forming certain resistance to the rotation of the deflector 3 to prevent
Deflector 3 is stated to be washed aside by the flow in the circulation line 6.After the deflector 3 turns to set angle, intelligence
The meeting auto-articulated of clamp resistance gauge 9, controls the stabilization of corner.
The flow velocity monitoring system includes that the flow monitoring for being monitored in real time to VELOCITY DISTRIBUTION and mobility status passes
Sensor 1, the setting of flow monitoring sensor 1 enter in the pond, positioned at the pond at head piece dirty 1/3, the stream
Slowdown monitoring sensor 1 is provided with several, is arranged along depth of water direction.The flow monitoring sensor 1 is connected to the computer
7, pass data back the computer 7, and by the computer 7 analyze and adjust the deflector 3 again.
Flow enters before wave current pond, first to be adjusted and be flowed to by deflector 3, the steering of deflector 3 can pass through calculating
Machine 7 is adjusted, and after computer 7 sets corner, deflector 3 stops after rotating corresponding angle, in 3 shaft of deflector
Equipped with intelligent clamp resistance gauge 9, intelligent clamp resistance gauge 9 is interlocked by gear and 3 shaft of deflector, by water conservancy diversion
The rotation of plate 3 forms certain resistance to prevent deflector 3 from being washed aside by the flow in pipeline.It is flowed to by first successive step
Afterwards, flow is entered by the gentle head piece that enters in wave current pond, after flowing a small distance, into flow speed stability monitoring section
Domain arranges several flow monitoring sensors 1 along depth of water direction at this, can measure the velocity flow profile situation for flowing through flow, judges
Whether flowing has reached uniformly.If the not up to expected state of flowing, leads then can again be adjusted according to the state of current flow velocity
The steering of flowing plate 3, until flowing is finally reached expectation state.Circulation line 6 can be again introduced by flowing through the fluid of pool portion,
Under the promotion of water pump 4, the flow of stable and uniform is generated.
Based on the method for river diversion of above-mentioned wave current experimental tank intelligent adaptive guiding device, include the following steps：
(1) the initial corner of deflector 3 is set；
(2) data that computer 7 acquires flow monitoring sensor 1 are analyzed, and judge whether flowing reaches uniform
The requirement of operating mode, if not up to, adjusting the rotation direction of deflector 3 again；
(3) flow speed data is acquired again and is analyzed and determined；
(4) step (2) and step (3) are repeated until flow velocity is uniform and stable, until reaching expected requirement.
The present apparatus can simulate wave current couple state simultaneously, make wave and do not interfere with each other with stream is made.It is adjusted and flow velocity reality by flowing to
When monitor, the system for forming " adjusting-monitoring-is adjusted again ", the present apparatus is strong to the flowing override capability in pond.In addition to this,
By repeatedly simulating the wave current situation of various operating modes, it can add up largely to adjust data, be greatly improved the effect of present apparatus simulation
Rate and precision.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited in upper
The specific implementation mode stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (6)
1. a kind of wave current experimental tank intelligent adaptive guiding device, which is characterized in that including computer, pond, make stream and make wave
System, the circulatory system, intelligent flow guide system, flow velocity monitoring system；
The stream wave making system of making includes being separately positioned on the wave of making at the pond both ends to make stream device and wave attenuating device；
The circulatory system includes being connected to the circulation line and be arranged described that the basin bottom is connected with the pond
The water pump circulated in circulation line, for pushing flow to be formed；
The intelligence flow guide system includes adjusting the deflector in the direction that becomes a mandarin in real time for intelligence and being connected with the deflector
Stepper motor, the deflector is arranged at the nozzle that becomes a mandarin of the circulation line, and the stepper motor is connected to the meter
Calculation machine passes through the corner of deflector described in the real time computer control；
The flow velocity monitoring system includes the flow monitoring sensor for being monitored in real time to VELOCITY DISTRIBUTION and mobility status,
The flow monitoring sensor setting enters in the pond, positioned at the pond at head piece dirty 1/3, and the flow monitoring passes
Sensor is connected to the computer, passes data back the computer, and by the computer analyze and lead to described
Flowing plate is adjusted again.
2. a kind of wave current experimental tank intelligent adaptive guiding device according to claim 1, which is characterized in that described to lead
Intelligent clamp resistance gauge, the shaft that the intelligence clamp resistance gauge passes through gear and the deflector are provided in the shaft of flowing plate
It is interlocked, to form resistance by rotating to the deflector and prevent the deflector by the flow in the circulation line
It washes aside.
3. a kind of wave current experimental tank intelligent adaptive guiding device according to claim 1, which is characterized in that described to lead
Flowing plate is provided with several, and the stepper motor is corresponded with the deflector.
4. a kind of wave current experimental tank intelligent adaptive guiding device according to claim 1, which is characterized in that described to follow
Angle between the axis and horizontal line of the inflow pipe on endless tube road is 15~45 °, to reduce the turbulent fluctuation to become a mandarin.
5. a kind of wave current experimental tank intelligent adaptive guiding device according to claim 1, which is characterized in that the stream
Slowdown monitoring sensor is provided with several, is arranged along depth of water direction.
6. a kind of leading based on 1 to 5 any one of them wave current experimental tank intelligent adaptive guiding device of the claims
Stream method, which is characterized in that include the following steps：
Step 1, the initial corner of deflector is set；
Step 2, the data that computer acquires flow monitoring sensor are analyzed, and judge whether flowing reaches uniform operating mode
Requirement, if not up to, again adjust deflector rotation direction；
Step 3, flow speed data is acquired again and is analyzed and determined；
Step 4, step 2 and step 3 are repeated until flow velocity is uniform and stable, until reaching expected and requiring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810975238.4A CN108801591A (en) | 2018-08-24 | 2018-08-24 | Wave current experimental tank intelligent adaptive guiding device and its method of river diversion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810975238.4A CN108801591A (en) | 2018-08-24 | 2018-08-24 | Wave current experimental tank intelligent adaptive guiding device and its method of river diversion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926757A (en) * | 2019-12-13 | 2020-03-27 | 珠江水利委员会珠江水利科学研究院 | Multi-axis controlled wave simulation system |
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Application publication date: 20181113 |